Compare Samyang 10mm F2.8 ED AS NCS CS vs Samyang 20mm F1.8 ED AS UMC vs Laowa 7.5mm f/2

[[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"6 blades, Manual aperture setting via lens ring"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"APS-C"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-M-mount, Canon EF-mount, Micro Four Thirds-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"14 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"10 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"2 aspherical elements, 1 ED glass element groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"86 mm / 3.39 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"580 g / 20.49 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"1.5"},{"Ft":"Function","Fn":"Focal Length","Fv":"10 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.0 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"250 mm / 9.84 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens Hood: Integrated hood (supplied)"},{"Ft":"Production","Fn":"Debut","Fv":"2013-12-06"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"Full-Frame"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Canon EF-mount, Canon EF-M-mount, Fujifilm X-mount, Micro Four Thirds-mount, Nikon F-mount, Pentax K-mount, Samsung NX-mount, Sony A-mount, Sony E-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"13 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"12 groups"},{"Ft":"Construction","Fn":"Optical Formula | Special Glass","Fv":"Two aspherical + 3 ED elements, Ultra Multi Coating groups"},{"Ft":"Dimensions","Fn":"Filter Diameter","Fv":"77 mm / 3.03 in"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"83 mm / 3.27 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"88 mm / 3.46 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"497 g / 17.56 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"94.5° Diagonal | 84.0° Horizontal | 61.9° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/1.8 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Focal Length","Fv":"20 mm"},{"Ft":"Function","Fn":"Focus Type","Fv":"Internal"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Function","Fn":"Weather Resistance","Fv":"No"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"200 mm / 7.87 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2016-08-08"}],[{"Ft":"Construction","Fn":"Aperture Blades","Fv":"7 blades"},{"Ft":"Construction","Fn":"Form Factor","Fv":"Ultra Wide-Angle Prime Lens"},{"Ft":"Construction","Fn":"Image Size","Fv":"MFT"},{"Ft":"Construction","Fn":"Lens Barrel","Fv":"Physical aperture ring, Distance scale, DoF scale"},{"Ft":"Construction","Fn":"Lens Mount","Fv":"Micro Four Thirds-mount"},{"Ft":"Construction","Fn":"Optical Formula | Elements","Fv":"13 elements"},{"Ft":"Construction","Fn":"Optical Formula | Groups","Fv":"9 groups"},{"Ft":"Dimensions","Fn":"Size | Diameter","Fv":"50 mm / 1.97 in"},{"Ft":"Dimensions","Fn":"Size | Length","Fv":"55 mm / 2.17 in"},{"Ft":"Dimensions","Fn":"Weight","Fv":"170 g / 6.01 oz"},{"Ft":"Function","Fn":"Angle Of View","Fv":"110.6° Diagonal | 100.4° Horizontal | 77.3° Vertical"},{"Ft":"Function","Fn":"Aperture","Fv":"f/2 ~ f/22"},{"Ft":"Function","Fn":"Autofocus","Fv":"No"},{"Ft":"Function","Fn":"Crop Factor","Fv":"2.0"},{"Ft":"Function","Fn":"Focal Length","Fv":"7.5 mm"},{"Ft":"Function","Fn":"Focal Length (35mm Equivalent)","Fv":"15.0 mm"},{"Ft":"Function","Fn":"Image Stabilization","Fv":"No"},{"Ft":"Performance","Fn":"Max Magnification","Fv":"0.11x"},{"Ft":"Performance","Fn":"Min Focus Distance","Fv":"120 mm / 4.72 in"},{"Ft":"Production","Fn":"Accessory","Fv":"Lens hood included"},{"Ft":"Production","Fn":"Debut","Fv":"2016-09-13"},{"Ft":"Production","Fn":"Made In","Fv":"China"}]]